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source: branches/HeuristicLab.Hive-3.4/sources/HeuristicLab.Services.Hive.DataAccess/3.3/Logger.cs @ 6717

Last change on this file since 6717 was 6717, checked in by ascheibe, 13 years ago

#1233

  • moved DTO's to Services.Hive project
  • removed Services.Hive.Common project
  • some cleanups
  • added DTO's for enums
File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Diagnostics;
24using System.Security;
25using System.Threading;
26
27namespace HeuristicLab.Services.Hive.DataAccess {
28  public class LogFactory {
29    public static ILogger GetLogger(string source) {
30      return new Logger("HL.Hive", source);
31    }
32  }
33
34  public interface ILogger {
35    void Log(string message);
36    void Error(Exception e);
37  }
38
39  internal class Logger : ILogger {
40    private EventLog log;
41
42    /// <summary>
43    /// Creating an EventSource requires certain permissions, which by default a IIS AppPool user does not have.
44    /// In this case just ignore security exceptions.
45    /// In order to make this work, the eventsource needs to be created manually
46    /// </summary>
47    public Logger(string name, string source) {
48      try {
49        if (!EventLog.SourceExists(source)) {
50          EventLog.CreateEventSource(source, name);
51        }
52        log = new EventLog(name);
53        log.Source = source;
54      }
55      catch (SecurityException) { }
56    }
57
58    public void Log(string message) {
59      try {
60        if (log != null) {
61          log.WriteEntry(string.Format("{0} (AppDomain: {1}, Thread: {2})", message, AppDomain.CurrentDomain.Id, Thread.CurrentThread.ManagedThreadId), EventLogEntryType.Information);
62        }
63      }
64      catch (SecurityException) { }
65    }
66
67    public void Error(Exception e) {
68      try {
69        if (log != null) {
70          log.WriteEntry(string.Format("{0} (AppDomain: {1}, Thread: {2})", e.Message, AppDomain.CurrentDomain.Id, Thread.CurrentThread.ManagedThreadId), EventLogEntryType.Error);
71        }
72      }
73      catch (SecurityException) { }
74    }
75  }
76}
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